/* * Copyright (c) 2002, 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package javax.swing.plaf.synth; import sun.awt.AppContext; import java.util.HashMap;import java.util.Locale;import java.util.Map;import javax.swing.JComponent;import javax.swing.UIDefaults; /** * A distinct rendering area of a Swing component.  A component may * support one or more regions.  Specific component regions are defined * by the typesafe enumeration in this class. * <p> * Regions are typically used as a way to identify the <code>Component</code>s * and areas a particular style is to apply to. Synth's file format allows you * to bind styles based on the name of a <code>Region</code>. * The name is derived from the field name of the constant: * <ol> *  <li>Map all characters to lowercase. *  <li>Map the first character to uppercase. *  <li>Map the first character after underscores to uppercase. *  <li>Remove all underscores. * </ol> * For example, to identify the <code>SPLIT_PANE</code> * <code>Region</code> you would use <code>SplitPane</code>. * The following shows a custom <code>SynthStyleFactory</code> * that returns a specific style for split panes: * <pre> *    public SynthStyle getStyle(JComponent c, Region id) { *        if (id == Region.SPLIT_PANE) { *            return splitPaneStyle; *        } *        ... *    } * </pre> * The following <a href="doc-files/synthFileFormat.html">xml</a> * accomplishes the same thing: * <pre> * &lt;style id="splitPaneStyle"> *   ... * &lt;/style> * &lt;bind style="splitPaneStyle" type="region" key="SplitPane"/> * </pre> * * @since 1.5 * @author Scott Violet */public class Region {    private static final Object UI_TO_REGION_MAP_KEY = new Object();    private static final Object LOWER_CASE_NAME_MAP_KEY = new Object();     /**     * ArrowButton's are special types of buttons that also render a     * directional indicator, typically an arrow. ArrowButtons are used by     * composite components, for example ScrollBar's contain ArrowButtons.     * To bind a style to this <code>Region</code> use the name     * <code>ArrowButton</code>.     */    public static final Region ARROW_BUTTON = new Region("ArrowButton", false);     /**     * Button region. To bind a style to this <code>Region</code> use the name     * <code>Button</code>.     */    public static final Region BUTTON = new Region("Button", false);     /**     * CheckBox region. To bind a style to this <code>Region</code> use the name     * <code>CheckBox</code>.     */    public static final Region CHECK_BOX = new Region("CheckBox", false);     /**     * CheckBoxMenuItem region. To bind a style to this <code>Region</code> use     * the name <code>CheckBoxMenuItem</code>.     */    public static final Region CHECK_BOX_MENU_ITEM = new Region("CheckBoxMenuItem", false);     /**     * ColorChooser region. To bind a style to this <code>Region</code> use     * the name <code>ColorChooser</code>.     */    public static final Region COLOR_CHOOSER = new Region("ColorChooser", false);     /**     * ComboBox region. To bind a style to this <code>Region</code> use     * the name <code>ComboBox</code>.     */    public static final Region COMBO_BOX = new Region("ComboBox", false);     /**     * DesktopPane region. To bind a style to this <code>Region</code> use     * the name <code>DesktopPane</code>.     */    public static final Region DESKTOP_PANE = new Region("DesktopPane", false);     /**     * DesktopIcon region. To bind a style to this <code>Region</code> use     * the name <code>DesktopIcon</code>.     */    public static final Region DESKTOP_ICON = new Region("DesktopIcon", false);     /**     * EditorPane region. To bind a style to this <code>Region</code> use     * the name <code>EditorPane</code>.     */    public static final Region EDITOR_PANE = new Region("EditorPane", false);     /**     * FileChooser region. To bind a style to this <code>Region</code> use     * the name <code>FileChooser</code>.     */    public static final Region FILE_CHOOSER = new Region("FileChooser", false);     /**     * FormattedTextField region. To bind a style to this <code>Region</code> use     * the name <code>FormattedTextField</code>.     */    public static final Region FORMATTED_TEXT_FIELD = new Region("FormattedTextField", false);     /**     * InternalFrame region. To bind a style to this <code>Region</code> use     * the name <code>InternalFrame</code>.     */    public static final Region INTERNAL_FRAME = new Region("InternalFrame", false);     /**     * TitlePane of an InternalFrame. The TitlePane typically     * shows a menu, title, widgets to manipulate the internal frame.     * To bind a style to this <code>Region</code> use the name     * <code>InternalFrameTitlePane</code>.     */    public static final Region INTERNAL_FRAME_TITLE_PANE = new Region("InternalFrameTitlePane", false);     /**     * Label region. To bind a style to this <code>Region</code> use the name     * <code>Label</code>.     */    public static final Region LABEL = new Region("Label", false);     /**     * List region. To bind a style to this <code>Region</code> use the name     * <code>List</code>.     */    public static final Region LIST = new Region("List", false);     /**     * Menu region. To bind a style to this <code>Region</code> use the name     * <code>Menu</code>.     */    public static final Region MENU = new Region("Menu", false);     /**     * MenuBar region. To bind a style to this <code>Region</code> use the name     * <code>MenuBar</code>.     */    public static final Region MENU_BAR = new Region("MenuBar", false);     /**     * MenuItem region. To bind a style to this <code>Region</code> use the name     * <code>MenuItem</code>.     */    public static final Region MENU_ITEM = new Region("MenuItem", false);     /**     * Accelerator region of a MenuItem. To bind a style to this     * <code>Region</code> use the name <code>MenuItemAccelerator</code>.     */    public static final Region MENU_ITEM_ACCELERATOR = new Region("MenuItemAccelerator", true);     /**     * OptionPane region. To bind a style to this <code>Region</code> use     * the name <code>OptionPane</code>.     */    public static final Region OPTION_PANE = new Region("OptionPane", false);     /**     * Panel region. To bind a style to this <code>Region</code> use the name     * <code>Panel</code>.     */    public static final Region PANEL = new Region("Panel", false);     /**     * PasswordField region. To bind a style to this <code>Region</code> use     * the name <code>PasswordField</code>.     */    public static final Region PASSWORD_FIELD = new Region("PasswordField", false);     /**     * PopupMenu region. To bind a style to this <code>Region</code> use     * the name <code>PopupMenu</code>.     */    public static final Region POPUP_MENU = new Region("PopupMenu", false);     /**     * PopupMenuSeparator region. To bind a style to this <code>Region</code>     * use the name <code>PopupMenuSeparator</code>.     */    public static final Region POPUP_MENU_SEPARATOR = new Region("PopupMenuSeparator", false);     /**     * ProgressBar region. To bind a style to this <code>Region</code>     * use the name <code>ProgressBar</code>.     */    public static final Region PROGRESS_BAR = new Region("ProgressBar", false);     /**     * RadioButton region. To bind a style to this <code>Region</code>     * use the name <code>RadioButton</code>.     */    public static final Region RADIO_BUTTON = new Region("RadioButton", false);     /**     * RegionButtonMenuItem region. To bind a style to this <code>Region</code>     * use the name <code>RadioButtonMenuItem</code>.     */    public static final Region RADIO_BUTTON_MENU_ITEM = new Region("RadioButtonMenuItem", false);     /**     * RootPane region. To bind a style to this <code>Region</code> use     * the name <code>RootPane</code>.     */    public static final Region ROOT_PANE = new Region("RootPane", false);     /**     * ScrollBar region. To bind a style to this <code>Region</code> use     * the name <code>ScrollBar</code>.     */    public static final Region SCROLL_BAR = new Region("ScrollBar", false);     /**     * Track of the ScrollBar. To bind a style to this <code>Region</code> use     * the name <code>ScrollBarTrack</code>.     */    public static final Region SCROLL_BAR_TRACK = new Region("ScrollBarTrack", true);     /**     * Thumb of the ScrollBar. The thumb is the region of the ScrollBar     * that gives a graphical depiction of what percentage of the View is     * currently visible. To bind a style to this <code>Region</code> use     * the name <code>ScrollBarThumb</code>.     */    public static final Region SCROLL_BAR_THUMB = new Region("ScrollBarThumb", true);     /**     * ScrollPane region. To bind a style to this <code>Region</code> use     * the name <code>ScrollPane</code>.     */    public static final Region SCROLL_PANE = new Region("ScrollPane", false);     /**     * Separator region. To bind a style to this <code>Region</code> use     * the name <code>Separator</code>.     */    public static final Region SEPARATOR = new Region("Separator", false);     /**     * Slider region. To bind a style to this <code>Region</code> use     * the name <code>Slider</code>.     */    public static final Region SLIDER = new Region("Slider", false);     /**     * Track of the Slider. To bind a style to this <code>Region</code> use     * the name <code>SliderTrack</code>.     */    public static final Region SLIDER_TRACK = new Region("SliderTrack", true);     /**     * Thumb of the Slider. The thumb of the Slider identifies the current     * value. To bind a style to this <code>Region</code> use the name     * <code>SliderThumb</code>.     */    public static final Region SLIDER_THUMB = new Region("SliderThumb", true);     /**     * Spinner region. To bind a style to this <code>Region</code> use the name     * <code>Spinner</code>.     */    public static final Region SPINNER = new Region("Spinner", false);     /**     * SplitPane region. To bind a style to this <code>Region</code> use the name     * <code>SplitPane</code>.     */    public static final Region SPLIT_PANE = new Region("SplitPane", false);     /**     * Divider of the SplitPane. To bind a style to this <code>Region</code>     * use the name <code>SplitPaneDivider</code>.     */    public static final Region SPLIT_PANE_DIVIDER = new Region("SplitPaneDivider", true);     /**     * TabbedPane region. To bind a style to this <code>Region</code> use     * the name <code>TabbedPane</code>.     */    public static final Region TABBED_PANE = new Region("TabbedPane", false);     /**     * Region of a TabbedPane for one tab. To bind a style to this     * <code>Region</code> use the name <code>TabbedPaneTab</code>.     */    public static final Region TABBED_PANE_TAB = new Region("TabbedPaneTab", true);     /**     * Region of a TabbedPane containing the tabs. To bind a style to this     * <code>Region</code> use the name <code>TabbedPaneTabArea</code>.     */    public static final Region TABBED_PANE_TAB_AREA = new Region("TabbedPaneTabArea", true);     /**     * Region of a TabbedPane containing the content. To bind a style to this     * <code>Region</code> use the name <code>TabbedPaneContent</code>.     */    public static final Region TABBED_PANE_CONTENT = new Region("TabbedPaneContent", true);     /**     * Table region. To bind a style to this <code>Region</code> use     * the name <code>Table</code>.     */    public static final Region TABLE = new Region("Table", false);     /**     * TableHeader region. To bind a style to this <code>Region</code> use     * the name <code>TableHeader</code>.     */    public static final Region TABLE_HEADER = new Region("TableHeader", false);     /**     * TextArea region. To bind a style to this <code>Region</code> use     * the name <code>TextArea</code>.     */    public static final Region TEXT_AREA = new Region("TextArea", false);     /**     * TextField region. To bind a style to this <code>Region</code> use     * the name <code>TextField</code>.     */    public static final Region TEXT_FIELD = new Region("TextField", false);     /**     * TextPane region. To bind a style to this <code>Region</code> use     * the name <code>TextPane</code>.     */    public static final Region TEXT_PANE = new Region("TextPane", false);     /**     * ToggleButton region. To bind a style to this <code>Region</code> use     * the name <code>ToggleButton</code>.     */    public static final Region TOGGLE_BUTTON = new Region("ToggleButton", false);     /**     * ToolBar region. To bind a style to this <code>Region</code> use     * the name <code>ToolBar</code>.     */    public static final Region TOOL_BAR = new Region("ToolBar", false);     /**     * Region of the ToolBar containing the content. To bind a style to this     * <code>Region</code> use the name <code>ToolBarContent</code>.     */    public static final Region TOOL_BAR_CONTENT = new Region("ToolBarContent", true);     /**     * Region for the Window containing the ToolBar. To bind a style to this     * <code>Region</code> use the name <code>ToolBarDragWindow</code>.     */    public static final Region TOOL_BAR_DRAG_WINDOW = new Region("ToolBarDragWindow", false);     /**     * ToolTip region. To bind a style to this <code>Region</code> use     * the name <code>ToolTip</code>.     */    public static final Region TOOL_TIP = new Region("ToolTip", false);     /**     * ToolBar separator region. To bind a style to this <code>Region</code> use     * the name <code>ToolBarSeparator</code>.     */    public static final Region TOOL_BAR_SEPARATOR = new Region("ToolBarSeparator", false);     /**     * Tree region. To bind a style to this <code>Region</code> use the name     * <code>Tree</code>.     */    public static final Region TREE = new Region("Tree", false);     /**     * Region of the Tree for one cell. To bind a style to this     * <code>Region</code> use the name <code>TreeCell</code>.     */    public static final Region TREE_CELL = new Region("TreeCell", true);     /**     * Viewport region. To bind a style to this <code>Region</code> use     * the name <code>Viewport</code>.     */    public static final Region VIEWPORT = new Region("Viewport", false);     private static Map<String, Region> getUItoRegionMap() {        AppContext context = AppContext.getAppContext();        Map<String, Region> map = (Map<String, Region>) context.get(UI_TO_REGION_MAP_KEY);        if (map == null) {            map = new HashMap<String, Region>();            map.put("ArrowButtonUI", ARROW_BUTTON);            map.put("ButtonUI", BUTTON);            map.put("CheckBoxUI", CHECK_BOX);            map.put("CheckBoxMenuItemUI", CHECK_BOX_MENU_ITEM);            map.put("ColorChooserUI", COLOR_CHOOSER);            map.put("ComboBoxUI", COMBO_BOX);            map.put("DesktopPaneUI", DESKTOP_PANE);            map.put("DesktopIconUI", DESKTOP_ICON);            map.put("EditorPaneUI", EDITOR_PANE);            map.put("FileChooserUI", FILE_CHOOSER);            map.put("FormattedTextFieldUI", FORMATTED_TEXT_FIELD);            map.put("InternalFrameUI", INTERNAL_FRAME);            map.put("InternalFrameTitlePaneUI", INTERNAL_FRAME_TITLE_PANE);            map.put("LabelUI", LABEL);            map.put("ListUI", LIST);            map.put("MenuUI", MENU);            map.put("MenuBarUI", MENU_BAR);            map.put("MenuItemUI", MENU_ITEM);            map.put("OptionPaneUI", OPTION_PANE);            map.put("PanelUI", PANEL);            map.put("PasswordFieldUI", PASSWORD_FIELD);            map.put("PopupMenuUI", POPUP_MENU);            map.put("PopupMenuSeparatorUI", POPUP_MENU_SEPARATOR);            map.put("ProgressBarUI", PROGRESS_BAR);            map.put("RadioButtonUI", RADIO_BUTTON);            map.put("RadioButtonMenuItemUI", RADIO_BUTTON_MENU_ITEM);            map.put("RootPaneUI", ROOT_PANE);            map.put("ScrollBarUI", SCROLL_BAR);            map.put("ScrollPaneUI", SCROLL_PANE);            map.put("SeparatorUI", SEPARATOR);            map.put("SliderUI", SLIDER);            map.put("SpinnerUI", SPINNER);            map.put("SplitPaneUI", SPLIT_PANE);            map.put("TabbedPaneUI", TABBED_PANE);            map.put("TableUI", TABLE);            map.put("TableHeaderUI", TABLE_HEADER);            map.put("TextAreaUI", TEXT_AREA);            map.put("TextFieldUI", TEXT_FIELD);            map.put("TextPaneUI", TEXT_PANE);            map.put("ToggleButtonUI", TOGGLE_BUTTON);            map.put("ToolBarUI", TOOL_BAR);            map.put("ToolTipUI", TOOL_TIP);            map.put("ToolBarSeparatorUI", TOOL_BAR_SEPARATOR);            map.put("TreeUI", TREE);            map.put("ViewportUI", VIEWPORT);            context.put(UI_TO_REGION_MAP_KEY, map);        }        return map;    }     private static Map<Region, String> getLowerCaseNameMap() {        AppContext context = AppContext.getAppContext();        Map<Region, String> map = (Map<Region, String>) context.get(LOWER_CASE_NAME_MAP_KEY);        if (map == null) {            map = new HashMap<Region, String>();            context.put(LOWER_CASE_NAME_MAP_KEY, map);        }        return map;    }     static Region getRegion(JComponent c) {        return getUItoRegionMap().get(c.getUIClassID());    }     static void registerUIs(UIDefaults table) {        for (Object key : getUItoRegionMap().keySet()) {            table.put(key, "javax.swing.plaf.synth.SynthLookAndFeel");        }

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